Control functions

management functions More...

Functions
HAL_StatusTypeDef	HAL_SDRAM_WriteProtection_Enable (SDRAM_HandleTypeDef *hsdram)
	Enables dynamically SDRAM write protection.
HAL_StatusTypeDef	HAL_SDRAM_WriteProtection_Disable (SDRAM_HandleTypeDef *hsdram)
	Disables dynamically SDRAM write protection.
HAL_StatusTypeDef	HAL_SDRAM_SendCommand (SDRAM_HandleTypeDef *hsdram, FMC_SDRAM_CommandTypeDef *Command, uint32_t Timeout)
	Sends Command to the SDRAM bank.
HAL_StatusTypeDef	HAL_SDRAM_ProgramRefreshRate (SDRAM_HandleTypeDef *hsdram, uint32_t RefreshRate)
	Programs the SDRAM Memory Refresh rate.
HAL_StatusTypeDef	HAL_SDRAM_SetAutoRefreshNumber (SDRAM_HandleTypeDef *hsdram, uint32_t AutoRefreshNumber)
	Sets the Number of consecutive SDRAM Memory auto Refresh commands.
uint32_t	HAL_SDRAM_GetModeStatus (SDRAM_HandleTypeDef *hsdram)
	Returns the SDRAM memory current mode.

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Detailed Description

management functions

  ==============================================================================
                         ##### SDRAM Control functions #####
  ==============================================================================  
  [..]
    This subsection provides a set of functions allowing to control dynamically
    the SDRAM interface.

---

Function Documentation

uint32_t HAL_SDRAM_GetModeStatus

(

SDRAM_HandleTypeDef *

hsdram

)

Returns the SDRAM memory current mode.

Parameters:

hsdram

pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.

Return values:

The	SDRAM memory mode.

Definition at line 798 of file stm32f4xx_hal_sdram.c.

References SDRAM_HandleTypeDef::Init, and SDRAM_HandleTypeDef::Instance.

HAL_StatusTypeDef HAL_SDRAM_ProgramRefreshRate	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t	RefreshRate
	)

Programs the SDRAM Memory Refresh rate.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
RefreshRate	The SDRAM refresh rate value

Return values:

HAL

status

Definition at line 745 of file stm32f4xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, SDRAM_HandleTypeDef::Instance, and SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_SendCommand	(	SDRAM_HandleTypeDef *	hsdram,
		FMC_SDRAM_CommandTypeDef *	Command,
		uint32_t	Timeout
	)

Sends Command to the SDRAM bank.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
Command	SDRAM command structure
Timeout	Timeout duration

Return values:

HAL

status

Definition at line 711 of file stm32f4xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_PRECHARGED, HAL_SDRAM_STATE_READY, SDRAM_HandleTypeDef::Instance, and SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_SetAutoRefreshNumber	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t	AutoRefreshNumber
	)

Sets the Number of consecutive SDRAM Memory auto Refresh commands.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
AutoRefreshNumber	The SDRAM auto Refresh number

Return values:

HAL

status

Definition at line 772 of file stm32f4xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, SDRAM_HandleTypeDef::Instance, and SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_WriteProtection_Disable

(

SDRAM_HandleTypeDef *

hsdram

)

Disables dynamically SDRAM write protection.

Parameters:

hsdram

pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.

Return values:

HAL

status

Definition at line 683 of file stm32f4xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, SDRAM_HandleTypeDef::Init, SDRAM_HandleTypeDef::Instance, and SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_WriteProtection_Enable

(

SDRAM_HandleTypeDef *

hsdram

)

Enables dynamically SDRAM write protection.

Parameters:

hsdram

pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.

Return values:

HAL

status

Definition at line 657 of file stm32f4xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_WRITE_PROTECTED, SDRAM_HandleTypeDef::Init, SDRAM_HandleTypeDef::Instance, and SDRAM_HandleTypeDef::State.